Home / 1,260.57-1,739.59-701.09

Finding the Fourth Proportional to 1,260.57, 1,739.59 and 701.09

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Solution

The fourth proportional to 1,260.57, 1,739.59 and 701.09 is: 967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260.57 : 1,739.59 = 701.09 : x
  2. Step 2: Convert to fraction form
    1,260.57/1,739.59 = 701.09/x
  3. Step 3: Cross multiply
    1,260.57x = 1,739.59 × 701.09
  4. Step 4: Simplify right side
    1,260.57x = 1,219,609.15
  5. Step 5: Solve for x
    x = 1,219,609.15/1,260.57
  6. Step 6: Final answer
    x = 967.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.